news customers download links survey directory about DSI   WWW DSI Process Systems DSI Jump Page	National Pipe Size/DN Conversion Chart   NPS DN 1/8" 6 mm 3/16" 7 mm 1/4" 8 mm 3/8" 10 mm 1/2" 15 mm 5/8" 18 mm 3/4" 20 mm 1" 25 mm 1-1/4" 32 mm 1-1/2" 40 mm 2" 50 mm 2-1/2" 65 mm 3" 80 mm 3-1/2" 90 mm 4" 100 mm 4-1/2" 115 mm 5" 125 mm 6" 150 mm

DSI Process Systems 4630 West Florissant Avenue St. Louis, MO 63115

Main 314-382-1525 or 800-DIAL DSI  Fax 314-382-5234  Email info@dsiprocess.com